Electronic television was first successfully demonstrated in San Francisco on Sept. 7, 1927; the system was designed by Philo Taylor Farnsworth, which scanned images with a beam of electrons; the first image he transmitted on it was a simple line.
source: https://www.nyu.edu/classes/stephens/History%20of%20Television%20page.htm
Kerasia CNMV Bucharest
Electronic television was first successfully demonstrated in San Francisco on Sept. 7, 1927; the system was designed by Philo Taylor Farnsworth, which scanned images with a beam of electrons; the first image he transmitted on it was a simple line.
source:
https://www.nyu.edu/classes/stephens/History%20of%20Television%20page.htm